Junior Software Engineer

2 weeks ago

Stockholm, Stockholm, Sweden Excillum Full time 50,000 - 100,000 per year

Do you want to start your career in a place where cutting-edge physics meets real engineering impact? At Excillum you will work with the world's brightest X-ray sources, used in areas such as semiconductor & electronics manufacturing, battery production & quality control, material science, chemistry & life science research. We are now entering an exciting phase where our products are being adopted more widely in industry, which brings new demands on performance, reliability and scale. If you're curious, eager to learn and want to grow in a team full of friendly experts, keep on reading

In this role you will be part of our Software Design team, working broadly with both new development and improvements of existing products. You will get hands on experience with user interfaces, algorithms and hardware control, and you will work on software built around the physical principles that make our X ray technology possible. We mainly use C++ and Python in a Linux environment, and you will work closely with colleagues to achieve a precise X ray spot. The team handles the entire development lifecycle, from testing and implementation to deployment, collaborating closely with researchers, application specialists and hardware teams. You will also help shape our software infrastructure, contribute to CI/CD, develop GUI and HMI features and participate in hardware integration.

A few words from your future manager

"Hello My name is Gustav and I'm the Head of Software Design at Excillum. I started my journey with Excillum 9 years ago as a software engineer and have learnt a lot by working with the incredibly skilled team here. I enjoy my time at Excillum because of the team, the technical challenges, and the possibilities ahead. My belief is that knowledge sharing, teamwork, technical challenges, and personal development are important and should be cherished to be able to create a comfortable and engaging working environment. Since I'm on parental leave at the moment, Klara is taking the lead in the team and driving our work forward."

To succeed in this role

We believe you are a positive, curious and communicative team player who enjoys learning new things and facing challenges together with others.

You also have:

  • A M.Sc. in software engineering, physics, electronics, mechatronics or similar
  • Good knowledge of C++ and feel comfortable working in Linux
  • Professional English skills
  • It is a plus if you have experience with Python, Docker or Yocto, as well as an interest in physics and familiarity with complex systems

Why Excillum?

Excillum is a place for engineers who enjoy working close to real products and advanced technology. With under 90 employees you get the collaboration and visibility of a small organisation while working with technology used across the world. As we grow you will have opportunities to influence how we build, test and deliver our products and to develop your expertise across several areas.

We welcome applicants from all backgrounds and believe that diversity helps us build better ideas, better teams and better products. If this sounds like a place where you would enjoy taking your next step, we would love to hear from you. For questions, please reach out to our recruiter Caroline Kylbergh at

We look forward to receiving your application

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